/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlet;


import ejb.sessionBeans.UsuarioFacadeRemote;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.ejb.EJB;
import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modelo.Usuario;

/**
 *
 * @author inftel
 */
@WebServlet(name = "PintaImagen", urlPatterns = {"/PintaImagen"})
public class PintaImagen extends HttpServlet {
    @EJB
    private UsuarioFacadeRemote usuarioFacade;
    
    

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request,
HttpServletResponse response)
           throws ServletException, IOException {

       String tlf = request.getParameter("image");
       Usuario user = usuarioFacade.findByPhone(tlf);
       byte[] data = user.getFoto();

       if (data!=null){
       InputStream in = new ByteArrayInputStream(data);
       BufferedImage image = ImageIO.read(in);


       response.setContentType("image/png");
        OutputStream os = response.getOutputStream();
        ImageIO.write(image, "png", os);
        os.close();
       // Send back image
      // ServletOutputStream sos = response.getOutputStream();

      //JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(sos);
      // encoder.encode(image);
       }
   }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
